CHAPTER 2
Core Configuration
Installing Fans and DCM Shelf
2-33
FLASHWAVE 7500 Release 6.1
Equipment Installation
Fujitsu and Fujitsu Customer Use Only
FNC-7500-0061-200
Issue 1, May 2009
2.9.2
Installing the 23-Inch DCM Shelf
The dispersion compensation module (DCM) shelf (FC9512SFD3), if needed, provides
dispersion compensation for dense wavelength division multiplexing (DWDM) signals
entering the NE.
shows the 23-inch DCM shelf (SFD3) with two single-height DCM
units.
shows Issue 03 of the 23-inch DCM shelf (SFD3) with two
single-height DCM units. Issue 03 of the SFD3 DCM shelf supports DCM fiber diversity
mounting units, which allows the routing of fiber to either side of the shelf.
Figure 2-19: DCM Unit and 23-Inch SFD3 Shelf (Exploded View)
Note:
The shelf (SFD3) holds up to four DCM units. For
clarity, only two are shown.
Optical Output
Optical Input
DCM Shelf
Cover
Thumbscrews
Cover Removal/Replacement
Secondary Latch
DCM Unit (Two
Shown)
Unit Removal/Replacement
Retaining Clips on Shelf
(for Fiber Routing)
m1597f
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5
Revision 1, June 2009
Summary of Contents for FLASHWAVE 7500
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